学帮网threetimes
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/07 10:41:29
To finish the task,we've tired threetimes,and afte
Tofinishthetask,we'vetiredthreetimes,andafterdinnerwe'lltry()time.括号里填afourth,为什么不是thefourth?两者有什么区别?afourth序数词前加不定冠词带有“